Yayita21 Yayita21

13-04-2018
Mathematics

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Selena is y years old and her sister Molly is 4 years older than Selena write an expression in simple form that represents the sum of the ages of the sisters

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mkryukova19 mkryukova19

13-04-2018

Selena is ( x)
Molly is (x+4)
sum of their ages (x)+(x+4)=x+x+4=2x+4

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